| African Countries with the Most Christians | 0 | - | 4.94 | 75,631 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,270 |
| Countries Closest to Israel | 0 | - | 4.69 | 106,183 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,827 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,719 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,219 |
| Hindu Countries | 0 | - | 4.86 | 50,176 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,056 |
| Israel Country Quiz | 0 | - | 3.84 | 75,016 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,462 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,425 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,968 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,531 |
| States of India | 0 | - | 4.95 | 193,467 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,922 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,629 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,465 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,531 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,660 |
| Provinces of Turkey | 0 | - | 4.95 | 204,293 |
| Provinces of China | 0 | - | 4.97 | 204,658 |
| Japanese Prefectures | 0 | - | 4.98 | 137,054 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,296 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,773 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,833 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,201 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,565 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,583 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,308 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,500 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,790 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,374 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,553 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,883 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,327 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,852 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,766 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,952 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,658 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,179 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,824 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,337 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,868 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,264 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,671 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,532 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,159 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,291 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,903 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,599 |
| Asian Physical Geography | 0 | - | 4.61 | 35,533 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,103 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,559 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,791 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,966 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,118 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,696 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,293 |
| History of India | 0 | - | 4.62 | 21,432 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,260 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,974 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,821 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,144 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,438 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,613 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,624 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,761 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,311 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Asian Islands | 0 | - | 4.49 | 20,843 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,147 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,714 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,426 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,927 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,384 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,513 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,566 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,255 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,086 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,045 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,898 |
| A Quiz About Islam | 0 | - | 4.31 | 48,451 |
| Middle East A-Z | 0 | - | 4.47 | 46,029 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,863 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,013 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,053 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,654 |
| Dynasties of China | 0 | - | 4.64 | 27,931 |
| History of China | 0 | - | 4.37 | 57,213 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,418 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,265 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,107 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,779 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,788 |
| Countries of Africa | 0 | - | 5.00 | 2,538,139 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,407 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,866 |
| African East Coast | 0 | - | 4.96 | 96,100 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,920 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,591 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,736 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| Australia A-Z | 0 | - | 4.54 | 49,988 |
| Australia Map Quiz | 0 | - | 4.95 | 344,677 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,950 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,966 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,989 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,537 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,550 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,345 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,663 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,116 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,162 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,557 |
| Official European Union Languages | 0 | - | 4.97 | 238,570 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,900 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,318 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,314 |
| The Only European Country ... | 0 | - | 4.91 | 216,746 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,198 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,180 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,092 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,934 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,213 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,791 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,736 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,241 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,440 |
| Asia Map Quiz | 0 | - | 4.99 | 917,159 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,507 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,778 |
| Word Chain - Asia | 0 | - | 4.34 | 29,338 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,013 |
| Top 10 Richest Countries in Asia | 0 | - | 4.74 | 105,713 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,731 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,198 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,565 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,581 |
| History of Egypt | 0 | - | 4.58 | 24,033 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,923 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,764 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,578 |
| Chinese Inventions | 0 | - | 4.30 | 33,802 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,396 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,387 |
| Japanese Companies | 0 | - | 4.28 | 34,233 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,941 |
| Japanese Loanwords | 0 | - | 4.47 | 84,648 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,714 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,788 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,349 |
| The Life of Gandhi | 0 | - | 4.37 | 13,057 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,601 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,343 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,040 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,617 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,285 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,294 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,792 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,567 |
| The Only African Country ... | 0 | - | 4.99 | 129,126 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,139 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,114 |
| African Island Countries | 0 | - | 4.96 | 101,663 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,470 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,888 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,227 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,539 |
| Biggest Trading Partners - South Africa | 0 | - | 4.74 | 40,291 |
| Flags of Oceania | 0 | - | 5.00 | 259,567 |
| Australian States and Territories | 0 | - | 4.96 | 142,024 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,447 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,297 |
| Australia True or False | 0 | - | 4.87 | 56,873 |
| Flags of North and South America | 0 | - | 4.99 | 373,249 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,252 |
| The Only American Country ... | 0 | - | 4.92 | 121,641 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,141 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,820 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,086 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,431 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,633 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,013 |
| North America Map Quiz | 0 | - | 4.98 | 248,634 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,693 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,207 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,496 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,501 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,745 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,489 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 49,108 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,665 |
| Arms Exports - United States | 0 | - | 4.77 | 62,429 |
| The American Revolution | 0 | - | 4.52 | 54,261 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,099 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,954 |
